There are many places to find images. The following resources are a combination of freely available online collections and paid-subscription image databases. Check the description of each site and browse the appropriate collection for images:
A collection of thousands of images and descriptions of architecture, gardens, parks, landscapes, public art and design, from historic and contemporary sites around the world.
ARTstor is digital library offering collections of art, images, and descriptive information. It includes approximately 300,000 images covering art, architecture, and archeology.
